Business
Calculate the final price and total savings after a percentage discount plus an extra fixed discount.
Results update as you type. No calculate button. All calculations run locally in your browser.
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The fixed discount is applied after the percentage discount, and the final price is floored at zero — it can never go negative.
The two bars together equal the original price. A larger saving bar means a deeper effective discount.
| Discount | Final price |
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Original price and extra discount are held at the values above; only the percentage discount changes across rows.
Final price = original price × (1 − discount rate) − additional fixed discount, floored at zero. Amount saved = original price − final price.
Original price $100, discount 20%, extra discount $5: final price = $100 × (1 − 0.20) − $5 = $80 − $5 = $75, so you save $25, an effective 25.00% off.
Tax, shipping, minimum-spend rules, coupon order, and exclusions may change the checkout total. If a store applies the fixed discount before the percentage discount, the result differs slightly — this calculator applies the percentage first, as stated in the formula.
Final price = original price × (1 − discount rate) − additional fixed discount, floored at zero. The percentage comes off first, then the fixed amount.
Percentage first, then the fixed discount. Reversing the order changes the result when both are present, so check the store's order if the total differs by a small amount.
No. If the discounts exceed the price, the result is floored at $0.00 and the saving is capped at the original price.
No. Tax is normally charged on the discounted price, so add tax afterwards — or use the sales tax calculator on the final price shown here.
Total saving divided by the original price. With a 20% discount plus $5 off $100, the effective saving is 25%, not 20%.
Not modeled. If the discount only applies above a spend threshold or excludes some items, the checkout total will differ.
Results are estimates only and do not constitute professional advice.